Practical guides, best practices, and troubleshooting for real AV deployments.
What EDID is, how source–display negotiation works, and how to fix the mismatches that cause no-image and wrong-resolution issues.
A systematic, isolate-the-chain method for diagnosing black-screen and no-signal problems in HDMI/AV systems.
Design principles for reliable AV-over-IP — bandwidth planning, switch selection, multicast, VLANs, and PTP.
Why AV-over-IP needs multicast, how IGMP snooping and a querier work, and the settings that keep streams from flooding the network.
Practical distance limits for HDMI, HDBaseT, Ethernet, and USB — and how to extend reliably when copper runs out.
